How do you change the cam belt on a 2000 Ford Festiva?

To change the cam belt on a 2000 Ford Festiva, start by disconnecting the battery and removing any components obstructing access to the timing belt cover. Then, remove the timing belt cover and align the timing marks on the crankshaft and camshaft gears to ensure proper timing. Next, loosen the tensioner and remove the old cam belt, replacing it with the new one while ensuring it is properly tensioned. Finally, reassemble the components, replace the timing belt cover, and reconnect the battery.